Join Result Unknown

Join Result Unknown

Connie had 5 marbles. Juan gave her 8 more marbles. How marbles does Connie have altogether?

Direct Modeling















5+8 = 13

Counting















8+5 = 13















5+8 = 13




Facts

-Student is unsure of the fact 5+8
-Student breaks apart 8 into 5+3
-Student continues to add:
5+5=10------> 10+3=13


-Student is unsure of the fact 5+8
-Student breaks apart 5 into 2+3
-Student continues to add:
8+2=10-----> 10+3=13

Kindergarten Class Example